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# Constants

Certain constants are defined in the Web UI API to facilitate customization. As explained in the next chapter, these constants can be used directly in external JS files or in the URL itself to control the look and feel of the faust application. Examples of this are given in the next chapter as well.

Property name | Description | Value of internal representation
--- | --- | ---
_f4u$t.TEXT_HEIGHT | Estimation of the height of text | 20
_f4u$t.TEXT_PADDING | Padding between an object and its label | 10
_f4u$t.VALUE_BOX_W | Width of the value box of an object | 60
_f4u$t.VALUE_BOX_H | Height of the value box of an object | 60
_f4u$t.TEXT_BOX_PADDING | Padding between an object and its value box | 3
_f4u$t.X_AXIS | Enum-like constant for the X axis | 0
_f4u$t.Y_AXIS | Enum-like constant for the Y axis | 1
_f4u$t.NO_AXES | Enum-like constant for the end of axis iterators | 2
_f4u$t.LEFT | Enum-like constant for left | -1
_f4u$t.RIGHT | Enum-like constant for rifght | 1
_f4u$t.UP | Enum-like constant for up | -1
_f4u$t.DOWN | Enum-like constant for down | 1
_f4u$t.CENTER | Enum-like constant for center | 0
_f4u$t.NONE | Representation of JS null | null
_f4u$t.BLACK | The color black | [0,0,0]
_f4u$t.WHITE | The color white | [255,255,255]
_f4u$t.CYAN | The color cyan | [0,255,255]
_f4u$t.GREY | The color grey | [100,100,100]
_f4u$t.PINK | The color pink | [233,150,122]
_f4u$t.GREEN | The color green | [173,255,47]
_f4u$t.KERMIT | The color kermit | [47,243,160]
_f4u$t.PALEGREEN | The color pale green | [152,251,152]

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